Audi Q8 50 TDI vs X4 M40d — full comparison

Audi Q8 50 TDI

Suv · Diesel · AWD

X4 M40d

Suv · Diesel

Car A

Audi Q8 50 TDI

The Audi Q8 50 TDI blends strong diesel torque with AWD and efficient cruising, making it well suited to road trips and growing families. Practical space and brisk performance stand out, though it’s priced as a premium choice.

5 seatsSuvDiesel5-star safety7.1 L/100kmAWD

Car B

X4 M40d

The BMW X4 M40d is a performance-leaning diesel SUV built for road trips and growing families, pairing strong power with usable space. Its premium price and diesel focus suit highway miles more than city errands.

5 seatsSuvDiesel5-star safety340 hp

Why compared cross brandsame body typesame powertrainsame seatssame usage profilesimilar price

Usage fit

Family 67 / 65

City 30 / 28

Budget / value 32 / 29

Road trip 76 / 65

Performance 37 / 30

Cargo 42 / 37

Practical 44 / 41

Premium 62 / 65

Winter 80 / 40

Scores out of 100. Blue = Audi Q8 50 TDI · Orange = X4 M40d

Specs side-by-side

Spec Audi Q8 50 TDI X4 M40d

Values are representative — confirm for your market and trim.

Pros & cons

Audi Q8 50 TDI

Efficient for its class (7.1 L/100 km combined) for long-distance driving
AWD traction adds confidence in winter and mixed conditions
286 hp and 600 Nm deliver 0–100 km/h in 6.3 s for easy overtakes
605-liter trunk and five seats handle family luggage and gear
Less suited to constant city driving; shines more on highways
Diesel powertrain won’t appeal to buyers avoiding diesel
Only five seats—no third row for larger families
Premium pricing (67,900) won’t fit budget-focused shoppers

X4 M40d

Strong performance: 340 hp, 700 Nm, and 0–100 km/h in 4.9 s for confident passing
Diesel efficiency (7.6 l/100 km combined) supports long-distance driving
Practical 5-seat layout and 525 L trunk for family travel
Safety ranks highly among its strengths
Premium price (74,000) won’t suit budget-focused buyers
Diesel powertrain is less suited to mostly city driving
No electric-only driving capability
Performance focus may exceed needs for relaxed commuting

Verdict

Pick Audi Q8 50 TDI if…

Best fuel economy

Audi Q8 50 TDI uses 7.1 L/100km vs 7.6 — a meaningful saving if you cover high mileage.

Pick X4 M40d if…

More power

X4 M40d puts out 340 hp vs 286 — meaningfully quicker and more confident on motorways.

Usage fit

Specs side-by-side

Pros & cons

Audi Q8 50 TDI

X4 M40d

Verdict

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